20934740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22271}}^1$

素因数の和:22327

約数の個数: 24

約数和(自身を含む): 44900352

約数和(自身を除く): 23965612

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22271, 44542, 89084, 111355, 222710, 445420, 1046737, 2093474, 4186948, 5233685, 10467370, 20934740]

約数ペア:

[(1, 20934740), (2, 10467370), (4, 5233685), (5, 4186948), (10, 2093474), (20, 1046737), (47, 445420), (94, 222710), (188, 111355), (235, 89084), (470, 44542), (940, 22271)]